54 STUDY AND IDENTIFICATION OF BACTERIA. 



The following table taken from Lehmann and Neumann, based 

 on pathogenic effects, is of great practical value. After inoculation 

 of some animal subcutaneously with the suspected material we have: 



A. No particular symptoms at site of inoculation. 

 Absorption of the soluble toxin causing: 



(1) General symptoms of tetanus. B. tetani. 



(2) Botulism poisoning symptoms. Pupillary symptoms. Cardiac and 

 respiratory failure. 



B. Local symptoms marked at site of inoculation. Hemorrhagic emphysema- 

 tous oedema. 



(1) Motile. 



(a) Gram negative. B. cedematis maligni. 



(b) Gram positive. B. anthracis symptomatic!. 



(2) Nonmotile. 



B. aerogenes capsulatus or B. phlegmonis emphysematosae. 



SPORE-BEARING AEROBES. 



Bacillus Anthracis (Pollender discovered 1849. Davain re- 

 cognized nature 1863. Koch proved 1876). Of the aerobic spore- 

 bearing bacilli this is the only one of particular medical importance. 



FIG. 16. Anthrax bacilli. Cover-glass has been pressed on a colony and 

 then fixed and stained. (Kolle and Wassermann.} 



Anthrax is an important disease in domestic animals, especially 

 sheep and cattle. The characteristic postmortem change in animals 

 is the greatly enlarged, friable, mushy spleen. Man is much less 

 susceptible than these animals, but is more so than the goat, horse or 



